private Bitmap DrawCircles(Image <Rgb, byte> img)
{
var settings = new CalculatorSettings()
{
Color = ChoosenColor_PictureBox.BackColor,
Threshold = Convert.ToInt32(Threshold_UpDown.Value),
NumberOfTriangles = Convert.ToInt32(Triangles_UpDown.Value)
};
Calculator = new CircumscribedCirclesFinder(img, settings);
var l = Calculator.FindTriangleContour();
foreach (var el in l)
{
img.Draw(el.Circle, new Rgb(0, 0, 255), 2);
var label = new Label
{
Location = PointScaler.ScaleToPictureBox(el.LabelPosition),
Text = el.Index.ToString(),
AutoSize = true,
Visible = true,
ForeColor = ChoosenColor_PictureBox.BackColor.InvertColor(),
BackColor = Color.Transparent
};
Image_PictureBox.Controls.Add(label);
}
return(img.ToBitmap());
}
private void MainForm_Load(object sender, EventArgs e)
{
SourceImage = Resources.test_image;
PointScaler = new PointScaler(Image_PictureBox.Image.Size, Image_PictureBox.Size);
OpenFile_Dialog.Filter = OpenFileFilter;
SaveFile_Dialog.Filter = SaveFileFilter;
Set_Threshold_UpDown();
}
private void OpenImage_Button_Click(object sender, EventArgs e)
{
OpenFile_Dialog.FileName = "";
if (OpenFile_Dialog.ShowDialog() == DialogResult.OK)
{
SourceImage = new Bitmap(OpenFile_Dialog.FileName);
Image_PictureBox.Image = SourceImage;
Image_PictureBox.Controls.Clear();
PointScaler = new PointScaler(Image_PictureBox.Image.Size, Image_PictureBox.Size);
}
}
private void SaveImage_Button_Click(object sender, EventArgs e)
{
if (SaveFile_Dialog.ShowDialog() == DialogResult.OK)
{
using (var g = Graphics.FromImage(Image_PictureBox.Image))
{
foreach (var el in Image_PictureBox.Controls)
{
var label = (Label)el;
g.DrawString(label.Text, DefaultFont, new SolidBrush(label.ForeColor),
PointScaler.ScaleToSource(Image_PictureBox.Size, label.Location));
}
}
Image_PictureBox.Image.Save(SaveFile_Dialog.FileName);
}
}